A cabinet manufacturing company has started its operations by July 1st. The following cost items have been determined until the end of December:
(i) Raw material #1 -> unit cost is $20/m^2 and 6 m^2 is required per cabinet; Raw material #2 -> unit cost is $40/m^2 and 4 m^2 is required per cabinet.
(ii) Spare material (such as screws, locks, nails, etc.) -> unit cost is $70 per cabinet.
(iii) Direct labor costs -> $150 per cabinet.
(iv) Foreman and supervisor cost -> $100,000 monthly.
(v) Machinery depreciation -> $120,000 monthly.
(vi) Administrative costs of production -> $140,000 monthly.
Suppose that the company has produced 2,000 cabinets during the period. What is the breakeven number of units?